CVE-2026-48256 is a DOM-based Cross-Site Scripting (CWE-79) vulnerability in Adobe Experience Manager versions 6.5.24, LTS SP1, 2026.04 and earlier. An attacker can exploit this vulnerability by manipulating the Document Object Model (DOM) environment, causing malicious JavaScript to execute within the context of a victim's browser. Exploitation requires the victim to interact by visiting a specially crafted webpage. The vulnerability impacts confidentiality and integrity with no impact on availability. The scope of the vulnerability is changed, indicating that the vulnerability affects resources beyond the initially vulnerable component.

Successful exploitation can lead to execution of arbitrary JavaScript in the context of the victim's browser, potentially allowing theft of sensitive information or manipulation of the web application’s behavior. The vulnerability impacts confidentiality and integrity but does not affect availability. User interaction is required for exploitation, limiting the attack vector to scenarios where victims visit maliciously crafted pages.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch information is provided, users of affected Adobe Experience Manager versions should monitor Adobe's security advisories for updates. In the meantime, limit exposure by educating users about the risks of visiting untrusted links and consider implementing web application firewall rules to detect and block suspicious DOM manipulation attempts related to this vulnerability.